{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:ZEC4R4BH32YT4WS4UKTHLBWDJU","short_pith_number":"pith:ZEC4R4BH","canonical_record":{"source":{"id":"1710.00951","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-10-03T01:15:48Z","cross_cats_sorted":[],"title_canon_sha256":"2d074fc32f0fb387dee52ed4f166ab845d8227a69cd3408ac7cbbf44b27a1fc3","abstract_canon_sha256":"3a780df2c2e644a5bf2b6ccfc7dea054b26cbf4e24034295ce736dfd036d2555"},"schema_version":"1.0"},"canonical_sha256":"c905c8f027deb13e5a5ca2a67586c34d1803656aff0a70ef2bb7c74e5661069c","source":{"kind":"arxiv","id":"1710.00951","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.00951","created_at":"2026-05-18T00:12:34Z"},{"alias_kind":"arxiv_version","alias_value":"1710.00951v3","created_at":"2026-05-18T00:12:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.00951","created_at":"2026-05-18T00:12:34Z"},{"alias_kind":"pith_short_12","alias_value":"ZEC4R4BH32YT","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZEC4R4BH32YT4WS4","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZEC4R4BH","created_at":"2026-05-18T12:31:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:ZEC4R4BH32YT4WS4UKTHLBWDJU","target":"record","payload":{"canonical_record":{"source":{"id":"1710.00951","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-10-03T01:15:48Z","cross_cats_sorted":[],"title_canon_sha256":"2d074fc32f0fb387dee52ed4f166ab845d8227a69cd3408ac7cbbf44b27a1fc3","abstract_canon_sha256":"3a780df2c2e644a5bf2b6ccfc7dea054b26cbf4e24034295ce736dfd036d2555"},"schema_version":"1.0"},"canonical_sha256":"c905c8f027deb13e5a5ca2a67586c34d1803656aff0a70ef2bb7c74e5661069c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:12:34.979671Z","signature_b64":"FJ5nilzBmvYMrzQPWuJGCF1b95zDu0TRD60mgxwtPHaf5bjG3hQxN5pTYYfkOz70MnvkszgO75kFMLS08S5vAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c905c8f027deb13e5a5ca2a67586c34d1803656aff0a70ef2bb7c74e5661069c","last_reissued_at":"2026-05-18T00:12:34.979050Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:12:34.979050Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.00951","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:12:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zEK6BxY7g7xmnGVUcN+UVHebX0En9IPGFrq1BKNsN4ngmQRdRmD6H69ZXhe1IkGz1gvdsRNuJVjkKrYbXGnLDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T11:01:48.922061Z"},"content_sha256":"a1f2ba3133a6197e3c8d1e0a891451596cc708f249541c81a7fa8e8ac36d9f3d","schema_version":"1.0","event_id":"sha256:a1f2ba3133a6197e3c8d1e0a891451596cc708f249541c81a7fa8e8ac36d9f3d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:ZEC4R4BH32YT4WS4UKTHLBWDJU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Large-Scale Location-Aware Services in Access: Hierarchical Building/Floor Classification and Location Estimation using Wi-Fi Fingerprinting Based on Deep Neural Networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Haowei Song, Jaehoon Cha, Kyeong Soo Kim, Ruihao Wang, Sanghyuk Lee, Zhenghang Zhong, Zikun Tan","submitted_at":"2017-10-03T01:15:48Z","abstract_excerpt":"One of key technologies for future large-scale location-aware services in access is a scalable indoor localization technique. In this paper, we report preliminary results from our investigation on the use of deep neural networks (DNNs) for hierarchical building/floor classification and floor-level location estimation based on Wi-Fi fingerprinting, which we carried out as part of a feasibility study project on Xi'an Jiaotong-Liverpool University (XJTLU) Campus Information and Visitor Service System. To take into account the hierarchical nature of the building/floor classification problem, we pr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.00951","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:12:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z+nlck5ZI8VuRNnwSbs46oKYT9DTtQg88/CEIQqBcL5mR0FXmyTKHYk97d9CEkmpooqelwgCfx8RsxsaNT5tAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T11:01:48.922618Z"},"content_sha256":"a7c06ce73c40ad9ac6bbcb33ad9de6dcf79d0f43eb03873d87b89a450e3c0906","schema_version":"1.0","event_id":"sha256:a7c06ce73c40ad9ac6bbcb33ad9de6dcf79d0f43eb03873d87b89a450e3c0906"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZEC4R4BH32YT4WS4UKTHLBWDJU/bundle.json","state_url":"https://pith.science/pith/ZEC4R4BH32YT4WS4UKTHLBWDJU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZEC4R4BH32YT4WS4UKTHLBWDJU/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-07T11:01:48Z","links":{"resolver":"https://pith.science/pith/ZEC4R4BH32YT4WS4UKTHLBWDJU","bundle":"https://pith.science/pith/ZEC4R4BH32YT4WS4UKTHLBWDJU/bundle.json","state":"https://pith.science/pith/ZEC4R4BH32YT4WS4UKTHLBWDJU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZEC4R4BH32YT4WS4UKTHLBWDJU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:ZEC4R4BH32YT4WS4UKTHLBWDJU","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"3a780df2c2e644a5bf2b6ccfc7dea054b26cbf4e24034295ce736dfd036d2555","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-10-03T01:15:48Z","title_canon_sha256":"2d074fc32f0fb387dee52ed4f166ab845d8227a69cd3408ac7cbbf44b27a1fc3"},"schema_version":"1.0","source":{"id":"1710.00951","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.00951","created_at":"2026-05-18T00:12:34Z"},{"alias_kind":"arxiv_version","alias_value":"1710.00951v3","created_at":"2026-05-18T00:12:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.00951","created_at":"2026-05-18T00:12:34Z"},{"alias_kind":"pith_short_12","alias_value":"ZEC4R4BH32YT","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZEC4R4BH32YT4WS4","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZEC4R4BH","created_at":"2026-05-18T12:31:59Z"}],"graph_snapshots":[{"event_id":"sha256:a7c06ce73c40ad9ac6bbcb33ad9de6dcf79d0f43eb03873d87b89a450e3c0906","target":"graph","created_at":"2026-05-18T00:12:34Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"One of key technologies for future large-scale location-aware services in access is a scalable indoor localization technique. In this paper, we report preliminary results from our investigation on the use of deep neural networks (DNNs) for hierarchical building/floor classification and floor-level location estimation based on Wi-Fi fingerprinting, which we carried out as part of a feasibility study project on Xi'an Jiaotong-Liverpool University (XJTLU) Campus Information and Visitor Service System. To take into account the hierarchical nature of the building/floor classification problem, we pr","authors_text":"Haowei Song, Jaehoon Cha, Kyeong Soo Kim, Ruihao Wang, Sanghyuk Lee, Zhenghang Zhong, Zikun Tan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-10-03T01:15:48Z","title":"Large-Scale Location-Aware Services in Access: Hierarchical Building/Floor Classification and Location Estimation using Wi-Fi Fingerprinting Based on Deep Neural Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.00951","kind":"arxiv","version":3},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:a1f2ba3133a6197e3c8d1e0a891451596cc708f249541c81a7fa8e8ac36d9f3d","target":"record","created_at":"2026-05-18T00:12:34Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"3a780df2c2e644a5bf2b6ccfc7dea054b26cbf4e24034295ce736dfd036d2555","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-10-03T01:15:48Z","title_canon_sha256":"2d074fc32f0fb387dee52ed4f166ab845d8227a69cd3408ac7cbbf44b27a1fc3"},"schema_version":"1.0","source":{"id":"1710.00951","kind":"arxiv","version":3}},"canonical_sha256":"c905c8f027deb13e5a5ca2a67586c34d1803656aff0a70ef2bb7c74e5661069c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c905c8f027deb13e5a5ca2a67586c34d1803656aff0a70ef2bb7c74e5661069c","first_computed_at":"2026-05-18T00:12:34.979050Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:12:34.979050Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FJ5nilzBmvYMrzQPWuJGCF1b95zDu0TRD60mgxwtPHaf5bjG3hQxN5pTYYfkOz70MnvkszgO75kFMLS08S5vAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:12:34.979671Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.00951","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a1f2ba3133a6197e3c8d1e0a891451596cc708f249541c81a7fa8e8ac36d9f3d","sha256:a7c06ce73c40ad9ac6bbcb33ad9de6dcf79d0f43eb03873d87b89a450e3c0906"],"state_sha256":"365ad159b8293651c1c90d11cb11ac7363cf4c5ce085bafacfbf603581caf1a2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0XZ+5LBcwojw/phSN8nrEbbAUP/YoT/doIehljcG6fdN31fzSsuRATMFDk1cILBLO5UQOcrMqC+Pi9E9iG4FCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T11:01:48.925649Z","bundle_sha256":"2e033c1008a1eaf3e36f54ed739a30b7d3ccf6a2581aa8fda456970083737378"}}